U.L. and C.S.A # 22KJ(1976)E31 TRADE MARK THE GLOBE ENERGY MIZER 1972-76 KJ IDENTIFIES PARENTS SURNAMES K FOR KLEIMEER J FOR JHOGN SWEYMER CHECK CORRECT
1 Answer
Wiki-pedia
Compact fluorescent lamp
The parent to the modern fluorescent lamp was invented in the late 1890s by Peter Cooper Hewitt.[4] The Cooper Hewitt lamps were used for photographic studios and industries.[4]
Edmund Germer, Friedrich Meyer, and Hans Spanner then patented a high pressure vapor lamp in 1927.[4] George Inman later teamed with General Electric to create a practical fluorescent lamp, sold in 1938 and patented in 1941.
http://en.wikipedia.org/wiki/Compact_fluorescent_lamp
Compact fluorescent lamp
The parent to the modern fluorescent lamp was invented in the late 1890s by Peter Cooper Hewitt.[4] The Cooper Hewitt lamps were used for photographic studios and industries.[4]
Edmund Germer, Friedrich Meyer, and Hans Spanner then patented a high pressure vapor lamp in 1927.[4] George Inman later teamed with General Electric to create a practical fluorescent lamp, sold in 1938 and patented in 1941.
http://en.wikipedia.org/wiki/Compact_fluorescent_lamp
| 14 years ago. Rating: 0 | |
Top contributors in Other - Electronics category
Unanswered Questions
Tip88 pw
Answers: 0
Views: 2
Rating: 0
vndwinnnet
Answers: 0
Views: 5
Rating: 0
Nhà Đài VK88
Answers: 0
Views: 2
Rating: 0
Nhà Đài VIC88
Answers: 0
Views: 3
Rating: 0
chothuemaypd
Answers: 0
Views: 4
Rating: 0
Examples of Attitude Shayari
Answers: 0
Views: 1
Rating: 0
LeaWalder
> More questions...
Answers: 0
Views: 3
Rating: 0
slimslicker
Colleen